Answer:
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3) . Ddraw the radius to the right side of the chord. So you formed a right triangleNow let's apply Pythagoras
3.6² + 5.5²= x² ==> x = 6.57 ≈ 6.6
4) same logic but the other leg = x/2 you will find
x² = 133/4 & x =5.766≈ 5.8
5) arc ab = arc de (1st proposition)
1 minute = 60 seconds.
1/4 of a minute = 15 seconds.
She waited 3 minutes 15 seconds for the bus.
1/2 minute = 30 seconds
She rode the bus for 7 minutes 30 seconds.
Her total time was:
8 minutes 45 seconds + 3 minutes 15 seconds + 7 minutes 30 seconds =
19 minutes and 30 seconds.
Add 19 minutes and 30 seconds to 6: 45 am,
6:45 + 19 minutes 30 seconds = 7:04:30 am
